ALPHA-FETOPROTEIN. AFP was first recognized as a fetal-specific globulin in 1956. It is synthesized in the yolk sac, gastrointestinal tract and liver of the fetus. Fetal plasma levels peak at 10 to 13 weeks' gestation and decline progressively until term, 7 while maternal levels peak in the third trimester.2 Laboratory measurements of AFP levels are reported as multiples of the median (MOM).etal plasma levels peak at 10 to 13 weeks' gestation and decline progressively until term, 7 while maternal levels peak in the third trimester. 2 Laboratory measurements of AFP levels are reported as multiples of the median (MOM).
Minority population growing in the United States, census estimates show. Minorities now make up about 35% of the country's population, and about 57% of the population in California. Meanwhile, the white population continues to decline.
The estimated population of the United States of America is 315,203,000 as of 2012. The USA population map shows the population distribution of each state, represented on the color-coded map.States with the highest population include California at number one, followed by Texas, New York, Florida, and Illinois. These states are also home to the most populous cities in the United States.The most populous cities in the United States are New York City, followed by Los Angeles, Chicago, and Houston.tates with the highest population include California at number one, followed by Texas, New York, Florida, and Illinois. These states are also home to the most populous cities in the United States. The most populous cities in the United States are New York City, followed by Los Angeles, Chicago, and Houston.